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Finding the Fourth Proportional to 136,963.80, 192,025.80 and 136,963.80

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Solution

The fourth proportional to 136,963.80, 192,025.80 and 136,963.80 is: 192,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,963.80 : 192,025.80 = 136,963.80 : x
  2. Step 2: Convert to fraction form
    136,963.80/192,025.80 = 136,963.80/x
  3. Step 3: Cross multiply
    136,963.80x = 192,025.80 × 136,963.80
  4. Step 4: Simplify right side
    136,963.80x = 26,300,583,266.04
  5. Step 5: Solve for x
    x = 26,300,583,266.04/136,963.80
  6. Step 6: Final answer
    x = 192,025.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.